Question: What was the significant event happend when Gina Rinehart was came to an end in 1981
Paraphrase: What historical event marked Gina Rinehart's death in 1981?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q242982 p:P793 ?s . ?s ps:P793 ?obj . ?s pq:P582 ?x filter(contains(YEAR(?x),'1981')) }